119 lines
4.7 KiB
TypeScript
119 lines
4.7 KiB
TypeScript
// *****************************************************************************
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// Copyright (C) 2020 EclipseSource and others.
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//
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// This program and the accompanying materials are made available under the
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// terms of the Eclipse Public License v. 2.0 which is available at
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// http://www.eclipse.org/legal/epl-2.0.
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//
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// This Source Code may also be made available under the following Secondary
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// Licenses when the conditions for such availability set forth in the Eclipse
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// Public License v. 2.0 are satisfied: GNU General Public License, version 2
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// with the GNU Classpath Exception which is available at
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// https://www.gnu.org/software/classpath/license.html.
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//
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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
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// *****************************************************************************
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import { Message } from '@theia/core/shared/@lumino/messaging';
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import { Disposable, SelectionService } from '@theia/core';
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import { BaseWidget, codicon, MessageLoop, Widget } from '@theia/core/lib/browser/widgets/widget';
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import { DisposableCollection } from '@theia/core/lib/common/disposable';
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import { inject, injectable, postConstruct } from '@theia/core/shared/inversify';
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import { PropertyViewContentWidget } from './property-view-content-widget';
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import { PropertyViewService } from './property-view-service';
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import { nls } from '@theia/core/lib/common/nls';
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/**
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* The main container for the selection-specific property widgets.
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* Based on the given selection, the registered `PropertyViewWidgetProvider` provides the
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* content widget that displays the corresponding properties.
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*/
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@injectable()
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export class PropertyViewWidget extends BaseWidget {
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static readonly ID = 'property-view';
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static readonly LABEL = nls.localize('theia/property-view/properties', 'Properties');
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protected contentWidget: PropertyViewContentWidget;
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protected override toDisposeOnDetach = new DisposableCollection();
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@inject(PropertyViewService) protected readonly propertyViewService: PropertyViewService;
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@inject(SelectionService) protected readonly selectionService: SelectionService;
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@postConstruct()
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init(): void {
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this.id = PropertyViewWidget.ID;
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this.title.label = PropertyViewWidget.LABEL;
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this.title.caption = PropertyViewWidget.LABEL;
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this.title.iconClass = codicon('table');
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this.title.closable = true;
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this.addClass('theia-property-view-widget');
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this.node.tabIndex = 0;
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let disposed = false;
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this.toDispose.push(Disposable.create(() => disposed = true));
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this.toDispose.push(this.selectionService.onSelectionChanged((selection: Object | undefined) => {
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this.propertyViewService.getProvider(selection).then(provider => {
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provider.provideWidget(selection).then(contentWidget => {
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if (!disposed) {
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this.replaceContentWidget(contentWidget);
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provider.updateContentWidget(selection);
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}
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});
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});
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}));
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}
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protected initializeContentWidget(selection: Object | undefined): void {
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this.propertyViewService.getProvider(selection).then(provider => {
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provider.provideWidget(selection).then(contentWidget => {
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this.attachContentWidget(contentWidget);
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provider.updateContentWidget(selection);
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});
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});
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}
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protected replaceContentWidget(newContentWidget: PropertyViewContentWidget): void {
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if (this.contentWidget.id !== newContentWidget.id) {
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if (this.contentWidget) {
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Widget.detach(this.contentWidget);
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}
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this.attachContentWidget(newContentWidget);
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}
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}
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protected attachContentWidget(newContentWidget: PropertyViewContentWidget): void {
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this.contentWidget = newContentWidget;
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Widget.attach(this.contentWidget, this.node);
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this.toDisposeOnDetach = new DisposableCollection();
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this.toDisposeOnDetach.push(Disposable.create(() => {
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if (this.contentWidget) {
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Widget.detach(this.contentWidget);
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}
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}));
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this.update();
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}
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protected override onAfterAttach(msg: Message): void {
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super.onAfterAttach(msg);
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this.initializeContentWidget(this.selectionService.selection);
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}
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protected override onActivateRequest(msg: Message): void {
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super.onActivateRequest(msg);
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this.node.focus();
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if (this.contentWidget) {
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this.contentWidget.activate();
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}
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}
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protected override onResize(msg: Widget.ResizeMessage): void {
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super.onResize(msg);
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if (this.contentWidget) {
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MessageLoop.sendMessage(this.contentWidget, msg);
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}
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}
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}
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